Specs/Grade
Grade A
Grade B
Grade C
Grade D

Al2O3
44%min
45%min
42%min
42%min

Fe2O3
0.6%max
0.7%max
0.5%max
0.5%max

B.D.
2.50g/ccm min
2.50g/ccm min



Whiteness
?
90% min
(typical is 92%)
88% min
(typical is 90%)

Size
Lump(0-50mm,0-30mm);
Granular(0-1mm,1-3mm, 3-5mm);
Powder(80mesh, 250mesh)
325mesh

Specs:
All above are the most common specifications. The specifications are as per customer's requirements.

Main Usage:
1??As part of common refractory material, emery wheel, and Magnetism industry material's raw material.
2?? As the common refractory raw material. 1??It has good whiteness, high purity and can be used as the raw material for Ceramics / construction glazed tiles.
2??As the common refractory raw material.
Packing:
As per customer's requirements.

Specs/Grade Grade A Grade B Grade C
Al2O3 37%min 37%min 37%min
SiO2 48%max 48%max 47%max
Fe2O3 0.5%max 0.5%max 0.6%max
H2O 15%max 30%max 1.5%max
Whiteness(before calcining) 85-88% 85-88% 84%min
Whteness(after calcining) 91-93% 91-93% 88%min
'+325mesh(residue) 0.02%max 0.02%max 0.01%max
Main Usage It has the characteristics of good plasticity, adhesion, dispersion, plaint, high whiteness and purity. It's chemistry character is also quite steady. It is the good material for high grade Ceramics / Potteries.